156+ Relational Databases Ranked & Compared

MySQL-compatible distributed SQL database for hybrid transactional and analytical workloads

Distributed SQL database built for cloud-native global applications with serializable isolation

Relational database that is also a server, running application logic inside the database with real-time client sync

Time-series database for high-performance real-time analytics, packaged as a PostgreSQL extension

Version-controlled SQL database with Git-like branching, merging, and diffing for data

Serverless PostgreSQL with separated storage and compute, branching, and scale-to-zero

Cloud-native database clustering system for horizontal scaling of MySQL through transparent sharding

The world's most advanced open-source relational database

In-process SQL database compatible with SQLite, written in Rust with vector search and CDC support

Lightweight, fault-tolerant, distributed relational database built on SQLite and Raft consensus

Distributed, transactional key-value store with multi-model layers and strict serializability

Embeddable WASM Postgres under 3MB with reactivity and live sync

Graph-relational database on Postgres with EdgeQL, built-in auth, and AI-ready embeddings

Distributed PostgreSQL as an extension for multi-tenant SaaS and real-time analytics at scale

The world's most popular open source relational database

Distributed real-time database management system built into Erlang/OTP for telecom-grade fault tolerance

Reactive and asynchronous database for high-performance React and React Native apps

Cross-platform database framework by WeChat with ORM, encryption, corruption recovery, and full-text search

PostgreSQL-compatible distributed SQL database with high resilience and geo-distribution

Distributed relational database for high-performance transactional, analytical, and AI workloads at scale

The most widely deployed embedded SQL database engine

Immutable, tamperproof database with cryptographic verification for zero-trust environments

Postgres-compatible streaming database for real-time event processing and analytics

Community-developed fork of MySQL with enhanced features and performance

Lightweight JavaScript SQL database for browser and Node.js with Excel and JSON support

Data warehouse software for reading, writing, and managing large datasets in distributed storage using SQL

Alibaba's battle-tested MySQL branch with built-in DuckDB analytics and vector search

Distributed in-memory database with ACID transactions, SQL, and compute capabilities

Open-source distributed SQL database combining high availability, scalability, strong consistency, and ACID transactions

Fast, embeddable Java RDBMS with browser-based console and PostgreSQL compatibility mode

PostgreSQL extension that adds graph database functionality with openCypher query support

Distributed SQL database for real-time analytics on massive datasets with PostgreSQL compatibility

Lightweight distributed SQLite with Raft consensus for fault-tolerant edge and IoT deployments

Cloud-native storage engine for PostgreSQL eliminating bloat, vacuum, and wraparound problems

Transactional relational-graph-vector database using Datalog for query — the hippocampus for AI

Cloud-native relational database with MySQL, PostgreSQL, and Oracle compatibility and HTAP capabilities

Immutable bitemporal SQL database for time-travel reporting and data compliance

Spatial database extension for PostgreSQL adding geographic object support and geospatial queries

Distributed SQL database using the actor model with Raft consensus on SQLite

Cloud-native HTAP database with MySQL compatibility, Git-style data versioning, and AI-native capabilities

Educational OLAP database system written in Rust with columnar storage

Open-source machine learning database providing consistent feature engineering for training and inference

Cloud-native distributed SQL database for high concurrency and massive storage with MySQL compatibility

Decentralized SQL database built on blockchain with immutable query history and GDPR compliance

Bloomberg's clustered RDBMS built on optimistic concurrency with high availability SQL

Multi-model graph database built on PostgreSQL with SQL and Cypher support

True open-source relational database with multi-generational architecture

Free, fully compatible, enhanced open-source drop-in replacement for MySQL with superior performance and scalability

Advanced open-source MPP analytics database forked from Greenplum with a modern PostgreSQL kernel

Massively parallel SQL engine on top of Apache HBase for low-latency OLTP queries

High-performance multi-model database combining SQL, RDF, SPARQL, XML, and knowledge graph capabilities

Huawei's open-source PostgreSQL-derived enterprise RDBMS optimized for ARM and high concurrency

Pioneering open-source column-store database for high-performance analytics and data warehousing

Open-source object-relational DBMS optimized for web applications with high availability clustering

Enterprise-level distributed HTAP database based on PostgreSQL for hybrid transactional and analytical workloads

Spatial extension for the H2 database bringing PostGIS-style geospatial capabilities to embedded Java apps

Dual-engine HTAP database combining HBase transactions with Spark analytics and ANSI SQL

MySQL-compatible database for confidential computing running entirely inside secure SGX enclaves

Massively parallel processing analytics database built on PostgreSQL for large-scale data warehousing

Hybrid in-memory/on-disk relational database with Oracle compatibility and enterprise-grade ACID support

In-memory NewSQL database for sub-millisecond ACID transactions at massive scale

High-performance in-memory MPP analytics database delivering up to 1000x faster analytical queries

Distributed multi-model NewSQL database for financial and enterprise applications in China

Integrated relational database and rapid application development platform with built-in web server

Zero-DBA embedded relational database with nano-footprint for application developers

Vectorized columnar analytics database with SIMD-optimized query execution

High-performance mainframe database for large-scale enterprise transaction processing

Cloud-native real-time data warehouse with MySQL compatibility for petabyte-scale analytics

MPP cloud data warehouse with PostgreSQL compatibility and vector search capabilities

MySQL and PostgreSQL-compatible relational database with up to 5x throughput and 99.999% availability

Petabyte-scale cloud data warehouse with columnar storage and massively parallel processing

Chinese distributed HTAP database serving telecom-scale workloads with hyper-converged multi-engine architecture

GPU-accelerated analytics database built on PostgreSQL for millisecond queries on billions of rows

Semantic web application framework with RQL query language and reusable data cubes

Mainframe relational database management system with decades of enterprise reliability

Enterprise PostgreSQL distribution with Oracle compatibility, advanced security, and distributed high availability

Royalty-free embedded SQL database engine for Delphi and C++Builder with full SQL-2003 compliance

ACID-compliant embedded relational database for real-time and mission-critical applications

Multi-model embedded database engine with ISAM, SQL, and JSON APIs over a single data set

IoT edge database and data integration platform for industrial and smart-device applications

Low-code relational database platform from Apple subsidiary Claris for rapid custom business app development

Enterprise-hardened PostgreSQL with advanced security, high availability, and AI capabilities

Chinese enterprise database platform with leading analytical and transactional database products

Serverless, highly scalable multi-cloud data warehouse with built-in ML and real-time analytics

Globally distributed, strongly consistent relational database with unlimited scale and 99.999% availability

In-memory computing platform built on Apache Ignite for real-time transactions and analytics

Cross-platform embedded and client/server relational database bundled with the WinDev development suite

Fast, standards-compliant Java SQL database engine with in-memory and disk-based modes

Enterprise-grade relational database with AI-powered optimization and hybrid cloud deployment

Cloud-native analytics data warehouse with in-memory columnar processing and AI integration

Enterprise object-relational database with seamless SQL, NoSQL, time-series, and spatial data integration

Proven enterprise relational database with ANSI SQL compliance and hybrid row-columnar storage

Ultra-fast embeddable SQL database with built-in encryption and cross-platform deployment

High-performance multi-model data platform unifying SQL, objects, documents, and key-value access on a single engine

Real-time embedded database with time-series and streaming for IoT and edge AI devices

Oracle-compatible enterprise relational database for Inspur K1 mainframes, jointly developed by Inspur and Tmaxsoft

Ultra-high-performance columnar time-series database with the vector language q, built for capital markets and real-time analytics

China's leading Oracle-compatible enterprise relational database with multi-model support and 99.999% uptime

Ultra-scalable distributed SQL database with full ACID compliance and NoSQL-speed ingestion

Russian SQL-compliant relational DBMS certified for government and defense applications

Desktop relational database with a visual GUI for building forms, queries, and reports without coding

Fully managed cloud relational database built on the Microsoft SQL Server engine with intelligent performance

Integrated analytics platform combining data warehousing, big data, and data integration with serverless and provisioned options

Enterprise relational database with built-in AI and analytics

Swedish relational database with strong SQL standards compliance for embedded and enterprise use

Purpose-built analytics appliance for high-performance data warehousing and advanced analytics

High-performance SQL:2003 database engine for Delphi with embedded and client-server modes

Fault-tolerant relational database for mission-critical OLTP on HPE NonStop systems

Cloud-native distributed SQL database with ACID compliance and elastic scale-out

Integrated application development platform with embedded relational database from Progress Software

Enterprise-grade multi-model database with AI-native capabilities

Cloud-native MPP data warehouse built on Apache HAWQ for petabyte-scale interactive analytics

Serverless MySQL-compatible cloud database platform powered by Vitess with branching and deploy requests

Alibaba's cloud-native PostgreSQL with shared-storage architecture and elastic scaling

Ultra-small-footprint embedded relational database for IoT and mission-critical edge applications

High-performance relational database for transaction-heavy enterprise applications

In-memory relational database for real-time analytics and transactional processing in enterprise environments

Self-managing relational database for embedded, mobile, and remote environments with synchronization

Distributed SQL database for data-intensive applications combining transactions, analytics, and AI workloads

Cloud-native data warehouse with automatic scaling, separation of storage and compute, and near-zero administration

Spatiotemporal relational database optimized for analytical workloads on moving objects with JIT compilation

Open-source spatial extension for SQLite providing full OGC-compliant geospatial SQL capabilities

SQLite compiled to JavaScript and WebAssembly via Emscripten for in-browser SQL databases

GPU-accelerated columnar analytics database for petabyte-scale SQL queries

Tencent's distributed MySQL-compatible database with strong consistency and horizontal scaling

Enterprise-grade parallel data warehouse for large-scale analytics and business intelligence

Oracle-compatible enterprise RDBMS from South Korea with high migration compatibility

In-memory relational database delivering microsecond response times for mission-critical OLTP

Lightweight high-performance relational SQL database with a sub-10MB footprint for edge to enterprise

Distributed analytical database replacing Hadoop+MPP with unified SQL analytics and real-time data processing

Enterprise cloud-native distributed vector database with GPU acceleration and multi-model support

Financial-grade distributed relational database with strong consistency and Oracle/MySQL compatibility

Multi-paradigm database server unifying ValentinaDB, SQLite, and DuckDB with integrated reporting

High-performance columnar analytics database for petabyte-scale real-time analytics and machine learning

Fully managed embedded .NET database engine with T-SQL compatibility in a single assembly

Modern enterprise cloud data warehouse built on Kubernetes for extreme speed and concurrency